This name is a synonym of Carex laxiculmis Schwein..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 230318) with original publication details: Amer. J. Sci. Arts II, 42: 243 1866.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:301926-1.
This name was in version 1 of The Plant List, record kew-230318.